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Increased pulse-width in the flat-top sampling leads to:
- a)Attenuation of high frequencies in reproduction
- b)Attenuation of low frequencies in reproduction
- c)Greater aliasing errors in reproduction
- d)No harmful effects in reproduction
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Increased pulse-width in the flat-top sampling leads to:a)Attenuation ...
As pulse width is increased, the width of the first lobe of the spectrum is decreased. Hence, increased pulse-width in the flat-top sampling, leads to attenuation of high frequencies in reproduction.
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Increased pulse-width in the flat-top sampling leads to:a)Attenuation ...
Understanding Flat-Top Sampling
Flat-top sampling is a technique used in signal processing where the sampled signal is held constant over a specific duration, creating a "flat" top in the sampled waveform. The pulse-width in this sampling method plays a crucial role in how effectively the original signal is reproduced.
Impact of Increased Pulse-Width
When the pulse-width is increased during flat-top sampling, it can lead to several effects on the signal reproduction:
Conclusion
In summary, increasing the pulse-width in flat-top sampling primarily leads to the attenuation of high frequencies in the signal reproduction, making option 'A' the correct answer. This is crucial for engineers and technicians to consider when designing systems that rely on accurate signal representation.
Flat-top sampling is a technique used in signal processing where the sampled signal is held constant over a specific duration, creating a "flat" top in the sampled waveform. The pulse-width in this sampling method plays a crucial role in how effectively the original signal is reproduced.
Impact of Increased Pulse-Width
When the pulse-width is increased during flat-top sampling, it can lead to several effects on the signal reproduction:
- Attenuation of High Frequencies:
- A longer pulse-width results in a reduced ability to accurately capture rapid changes in the signal, which are characteristic of higher frequencies.
- High-frequency components are effectively "smeared" over the longer duration, leading to a loss in fidelity for these components during reproduction. - Preservation of Low Frequencies:
- Low-frequency signals, which change slowly, are less affected by an increased pulse-width. They can be adequately represented even with a longer sampling duration. - Greater Aliasing Errors:
- While increased pulse-width can contribute to aliasing, it primarily leads to the attenuation of high frequencies rather than an increase in aliasing errors directly. - No Harmful Effects:
- This option is misleading; increased pulse-width does have detrimental effects on high-frequency components, contradicting the notion of having no harmful effects.
Conclusion
In summary, increasing the pulse-width in flat-top sampling primarily leads to the attenuation of high frequencies in the signal reproduction, making option 'A' the correct answer. This is crucial for engineers and technicians to consider when designing systems that rely on accurate signal representation.
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Increased pulse-width in the flat-top sampling leads to:a)Attenuation of high frequencies in reproductionb)Attenuation of low frequencies in reproductionc)Greater aliasing errors in reproductiond)No harmful effects in reproductionCorrect answer is option 'A'. Can you explain this answer?
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